<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>

    //alert("要跳转了》》");
    //location.href = "https://www.baidu.com";

    // 3秒跳转到主页

    document.write("3秒跳转到主页...");
    setTimeout(function(){
        location.href = "https://www.baidu.com";
    }, 3000);


</script>

</body>
</html>